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Finding the Fourth Proportional to 357,003.70, 535,177.35 and 154,473.34

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Solution

The fourth proportional to 357,003.70, 535,177.35 and 154,473.34 is: 231,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,003.70 : 535,177.35 = 154,473.34 : x
  2. Step 2: Convert to fraction form
    357,003.70/535,177.35 = 154,473.34/x
  3. Step 3: Cross multiply
    357,003.70x = 535,177.35 × 154,473.34
  4. Step 4: Simplify right side
    357,003.70x = 82,670,632,746.85
  5. Step 5: Solve for x
    x = 82,670,632,746.85/357,003.70
  6. Step 6: Final answer
    x = 231,568.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.